Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8177787 | Disposable battery pack for a surgical drill; and method | Douglas W. Walker, Frank M. Ordaz | 2012-05-15 |
| 6887244 | Cordless surgical handpiece with disposable battery; and method | Douglas W. Walker, Frank M. Ordaz | 2005-05-03 |
| 6126670 | Cordless surgical handpiece with disposable battery; and method | Douglas W. Walker, Frank M. Ordaz | 2000-10-03 |